/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.paimon.web.common.util;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;

/** Map util. */
public class MapUtil {

    private MapUtil() {}

    public static String getString(Map<String, ?> map, String key) {
        return Optional.ofNullable(map).map(e -> String.valueOf(e.get(key))).orElse("");
    }

    public static <E> List<E> getList(Map<String, ?> map, String key) {
        return Optional.ofNullable(map).map(e -> (List<E>) map.get(key)).orElse(new ArrayList<>());
    }
}
